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Swiss Madison St. Tropez SM-1T254 vs Niagara Original Stealth 0.8 GPF

A sourced, side-by-side comparison. Niagara Original Stealth 0.8 GPF is cheaper at $266.18. Every spec and price links to its source.

Which is better: the Swiss Madison St. Tropez SM-1T254 or Niagara Original Stealth 0.8 GPF?

On the specs we track, they're closely matched. The Niagara Original Stealth 0.8 GPF is the cheaper at $266.18.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Swiss Madison St. Tropez SM-1T254 Niagara Original Stealth 0.8 GPF
US price $311.2 $266.18
BrandSwiss MadisonNiagara Conservation
Released
Flush type dual-flush gravity
Flush volume gpf 1.6 0.8
Map score 800
Bowl shape elongated elongated
Bowl height inches 17
Rough in inches 12 12
Trapway diameter inches 2
Piece count one-piece two-piece
Water sense certified Yes
Seat included Yes No
Weight pounds

Sources — Swiss Madison St. Tropez SM-1T254: swissmadison.com (verified 2026-07-13). Niagara Original Stealth 0.8 GPF: niagaracorp.com (verified 2026-07-13).

What's the difference between the Swiss Madison St. Tropez SM-1T254 and Niagara Original Stealth 0.8 GPF?

Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.

  • Flush type: Swiss Madison St. Tropez SM-1T254 dual-flush vs Niagara Original Stealth 0.8 GPF gravity
  • Flush volume gpf: Swiss Madison St. Tropez SM-1T254 1.6 vs Niagara Original Stealth 0.8 GPF 0.8
  • Piece count: Swiss Madison St. Tropez SM-1T254 one-piece vs Niagara Original Stealth 0.8 GPF two-piece
  • Seat included: Swiss Madison St. Tropez SM-1T254 true vs Niagara Original Stealth 0.8 GPF false

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